Attached files

file filename
EX-32.1 - EX-32.1 - Gritstone bio, Inc.grts-ex321_7.htm
EX-31.2 - EX-31.2 - Gritstone bio, Inc.grts-ex312_10.htm
EX-31.1 - EX-31.1 - Gritstone bio, Inc.grts-ex311_8.htm
10-K - 10-K - Gritstone bio, Inc.grts-10k_20201231.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements:

 

(1)

Registration Statements (Form S-3 Nos. 333-234211 and 333-252564) and related Prospectuses of Gritstone Oncology, Inc.,

 

(2)

Registration Statements (Form S-8 Nos. 333-230581 and 333-237095) pertaining to the 2018 Incentive Award Plan and 2018 Employee Stock Purchase Plan of Gritstone Oncology, Inc., and

 

(3)

Registration Statement (Form S-8 No. 333-227665) pertaining to the 2015 Equity Incentive Plan, the 2018 Incentive Award Plan, and 2018 Employee Stock Purchase Plan of Gritstone Oncology, Inc.

of our report dated March 11, 2021, with respect to the consolidated financial statements of Gritstone Oncology, Inc. included in this Annual Report (Form 10-K) of Gritstone Oncology, Inc. for the year ended December 31, 2020.

/s/ Ernst & Young LLP

Redwood City, California

March 11, 2021